organic light-emitting diode with High efficiency

The present invention relates to an organic light emitting device which comprises: a first electrode; a second electrode facing the first electrode; a hole injection layer or a hole transport layer interposed between the first and second electrodes; and a light emitting layer. The hole injection lay...

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Bibliographic Details
Main Authors LEE YU RIM, SHIN YOONA, LEE JIWON, CHA SOON WOOK, YOO JUNG HO, PARK SANG WOO, KIM SUNG WOO
Format Patent
LanguageEnglish
Korean
Published 21.01.2019
Subjects
ELECTRICITY
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Summary:The present invention relates to an organic light emitting device which comprises: a first electrode; a second electrode facing the first electrode; a hole injection layer or a hole transport layer interposed between the first and second electrodes; and a light emitting layer. The hole injection layer or the hole transport layer includes at least one type of amine compounds displayed as chemical formula A or chemical formula B. 본 발명은 제1전극; 상기 제1전극에 대향된 제2전극; 및 상기 제1전극과 상기 제2전극 사이에 개재되는 정공주입층 또는 정공수송층;과 발광층;을 포함하는 유기발광소자로서, 상기 정공주입층 또는 정공수송층이 [화학식 A] 또는 [화학식 B]로 표시되는 아민 화합물을 적어도 1종 포함하는 유기발광소자 관한 것으로, 상기 [화학식 A] 및 [화학식 B]는 발명의 상세한 설명에 기재된 바와 동일하다
Bibliography:Application Number: KR20180080725